JPS5885977A - Magnetic disk storage device - Google Patents
Magnetic disk storage deviceInfo
- Publication number
- JPS5885977A JPS5885977A JP18320481A JP18320481A JPS5885977A JP S5885977 A JPS5885977 A JP S5885977A JP 18320481 A JP18320481 A JP 18320481A JP 18320481 A JP18320481 A JP 18320481A JP S5885977 A JPS5885977 A JP S5885977A
- Authority
- JP
- Japan
- Prior art keywords
- storage device
- resistor
- magnetic disk
- deck
- relative humidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
Abstract
Description
【発明の詳細な説明】
この発明は磁気ディスク記憶装置(以下記憶装置と略す
)の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in magnetic disk storage devices (hereinafter abbreviated as storage devices).
記憶装置は、データの読み書き以外の保管時(例えば夜
間等)記憶装置にデータバックを装着したままの状態に
すると、データバック内の磁気円板の表面には空気中の
水分が付着し、更にその水分が飽和状態になると、磁気
円板の表面が結露し、更にその表面に埃が付着し、記憶
装置を使用する際にヘッドクラ7エをし、データを破壊
するという重大な事故が発生することがある。If a storage device is stored with a data bag attached to the storage device for purposes other than reading or writing data (e.g. at night), moisture in the air will adhere to the surface of the magnetic disk inside the data bag, causing further damage. When the moisture becomes saturated, dew condenses on the surface of the magnetic disk, and dust adheres to the surface, causing serious accidents such as head scratches and data destruction when using the storage device. Sometimes.
このため出願人はすでに特開昭53−83723号及び
実開昭55−90002号にて、デツキ内の温度を所定
温度範囲内に保ちつつデツキ内の相対湿度を制御するこ
とを提案している。For this reason, the applicant has already proposed in JP-A No. 53-83723 and Utility Model Application No. 55-90002 to control the relative humidity inside the deck while keeping the temperature inside the deck within a predetermined temperature range. .
この発明は上記各出願でのべた記憶装置の一層の改11
に関するもので、その特徴とするところは、デツキ内の
所定位置に結露センナを設け。This invention is a further improvement 11 of the storage device described in each of the above-mentioned applications.
The feature is that a condensation sensor is installed at a predetermined position inside the deck.
デツキ内の相対湿度が飽和状態になり、露点に近づくと
その検出信号を他の所定位置に設けた熱源となる正特性
感熱抵抗体(以下抵抗体と略す)に送夛、この抵抗体か
ら発圧する熱を送風機によって送風し、デツキ内の温度
を上昇(下降)させてデツキ内の相対湿度を制御するよ
うにした所にある。When the relative humidity inside the deck reaches a saturated state and approaches the dew point, the detection signal is sent to a positive characteristic heat-sensitive resistor (hereinafter referred to as a resistor) that serves as a heat source installed at another predetermined location, and the heat is emitted from this resistor. The compressed heat is blown by a blower to raise (lower) the temperature inside the deck and control the relative humidity inside the deck.
以下図をおって説明する。This will be explained below with reference to the drawings.
第1図はこの発明による記憶装置の一実施例を示す図で
、(11は機構部デツキ、(2)はスピンドル、 (
3a) (3b)は磁気円板、 (4M)(仙)紘磁
気ヘッド、 (5a) (5b)はへラドアーム、C
Oは防塵カバー。FIG. 1 is a diagram showing an embodiment of the storage device according to the present invention, in which (11 is a mechanism deck, (2) is a spindle, (2) is a spindle, (
3a) (3b) is a magnetic disk, (4M) (Sen) Hiro magnetic head, (5a) (5b) is a helad arm, C
O is a dust cover.
(6)はアクチェータ、(7)はスピンドルモータ、(
8)(9)はプーリ、(至)はベル)、(Illは上記
防塵カバー■で囲まれた磁気円板収納空間内において例
えば′a#11部デツキに取付けた結露センサ、α2は
このセンサを入力信号とする制御回路、121+は上記
磁気円板収納空間に遅過する。0は に設けた送風路
、(13及びα少はこの送風路に設けた温風発電源とな
る正特性感熱抵抗体及び送風機である。(6) is the actuator, (7) is the spindle motor, (
8) (9) is the pulley, (to) is the bell), (Ill is the dew condensation sensor installed on the deck of section 'a#11' in the magnetic disk storage space surrounded by the above dustproof cover ■, α2 is this sensor A control circuit whose input signal is 121+ is delayed to the above-mentioned magnetic disc storage space. body and blower.
第2図は上記結露センナallの詳細図、#I3図は第
2図の1−111面図で、(至)は感湿抵抗皮膜。Fig. 2 is a detailed view of the dew condensation sensor all, Fig. #I3 is a 1-111 view of Fig. 2, and (to) the moisture-sensitive resistance film.
叫は電極、αηは絶縁基板、側はり一ド線である。The symbol is an electrode, αη is an insulating substrate, and the side beam is a single lead wire.
第4図は上記結露センサ0の感湿特性図で。FIG. 4 is a moisture sensitivity characteristic diagram of the dew condensation sensor 0.
相対湿度94チ朋以上で急激な抵抗値の増大を−示し、
相対温度Zoo係近傍ま友は結露を選択的に検出できる
ようになっている。Shows a rapid increase in resistance at relative humidity of 94 degrees or higher,
The relative temperature Zoo is designed to selectively detect dew condensation.
Ia5図は上記抵抗体Uの外観図で、 (19は貫通孔
である。#I6図は上記貫通孔■を送風し走時の、風量
−発熱量特性を示す図で9発熱量が空気の流量によって
変化する事を示す。Figure Ia5 is an external view of the resistor U. (19 is the through hole. Figure #I6 is a diagram showing the air volume vs. heat generation characteristic when running with air blown through the through hole (9). Indicates that it changes depending on the flow rate.
次に上記構成よシなる記憶装置の動P¥ft説明する。Next, the operation P\ft of the storage device having the above configuration will be explained.
第1図においてデツキ内の相対湿度が100近傍になる
と上記結露センサUの増大した抵抗値を上記制御回路■
が検出し、検出信号を上記抵抗体0および送風機α41
に送#)ON状態にする。そして抵抗体0から発生する
熱を送風I!(141によシ温風としてデツキ内に送風
して温め、なおかつ相対湿度を低下させる。In Fig. 1, when the relative humidity inside the deck approaches 100, the increased resistance value of the dew condensation sensor U is controlled by the control circuit
detects the detection signal and sends the detection signal to the resistor 0 and the blower α41.
Send it to #) and turn it on. Then, the heat generated from the resistor 0 is blown out I! (In step 141, hot air is blown into the deck to warm it up and reduce the relative humidity.
更に相対湿度が所定の湿度まで低下すると上記センナ曲
の抵抗値も小さくな)、この小さくなった抵抗値を上記
制御回路口が検出して、検出信号を上記抵抗体■と送風
機α少に送シOFF状態にするのである。Furthermore, when the relative humidity decreases to a predetermined humidity, the resistance value of the above-mentioned Senna curve also becomes small), and the above-mentioned control circuit port detects this reduced resistance value, and sends a detection signal to the above-mentioned resistor ■ and the blower α. The switch is turned off.
この発明は以上のように記憶装置の内部湿度を結露セン
ナと抵抗体および送風機を使用して所定湿度範囲内に保
つようKなっているため磁気円板の表面の結露が防止で
き、ヘッドクラッシ為の重大事故が防止できるので実用
的価値が大である。As described above, this invention uses a condensation sensor, a resistor, and a blower to maintain the internal humidity within a predetermined humidity range, thereby preventing dew condensation on the surface of the magnetic disk and preventing head crashes. This has great practical value as it can prevent serious accidents.
第1図はこの発明の一実施例による記憶装置の概略構成
を示すlr[I図、第2図は結露センナの詳細図、第3
図は第2図の1−11h面図、第4図は結露センナの感
湿特性図、第5図は正特性感熱抵抗体の外観図、第6図
は同抵抗体の風量−発熱量特性を示す図である。
図中11)は機構部デツキ、 (3g)(3b)は磁
気円板。
(4a) (4b)はヘッド、011は結露センナ、a
2は制御回路、Q3は正特性感熱抵抗体、圓は送風IF
m、■は防塵カバー、12]Jは送風路である。
なお図中、同一ある−は相当部分には同一符号を付して
示しである。
代理人 葛野信−
11111
第2図
1I4図
相対J&(%)
j15図
19
籐 6a11
規f (”’/つλ〕
427−FIG. 1 shows a schematic configuration of a storage device according to an embodiment of the present invention.
The figure is a 1-11h plane view of Fig. 2, Fig. 4 is a moisture sensitivity characteristic diagram of a dew condensation sensor, Fig. 5 is an external view of a positive characteristic heat-sensitive resistor, and Fig. 6 is an air volume vs. heat generation characteristic of the same resistor. FIG. In the figure, 11) is the mechanism deck, and (3g) and (3b) are the magnetic discs. (4a) (4b) is the head, 011 is the condensation sensor, a
2 is a control circuit, Q3 is a positive characteristic heat-sensitive resistor, and circle is a blower IF.
m and ■ are dustproof covers, and 12] J is a ventilation path. In the drawings, the same reference numerals are attached to corresponding parts. Agent Makoto Kuzuno- 11111 Figure 2 1I4 Relative J & (%) j15 Figure 19 Rattan 6a11 Standard f (''/tsuλ) 427-
Claims (1)
ィスク記憶装置内部の相対湿度を検出し、この検出信号
を機構部デツキの別の所定位置に設けた温風発生源に送
って温風発生源を制御して上記磁気ディスク記憶装置内
部の相対湿度を所定の範囲内に@御するよう構成すると
共に、上記温風発gE源に正特性感熱抵抗体を設け。 この正特性感熱抵抗体から発圧した熱を送風機忙よって
送風する事を特徴とする磁気ディスク記憶装置。[Claims] A dew condensation sensor is provided at a predetermined position on the mechanism deck to detect the relative humidity inside the magnetic disk storage device, and this detection signal is provided at another predetermined position on the mechanism deck to generate warm air. The hot air generator is configured to control the relative humidity inside the magnetic disk storage device within a predetermined range by controlling the hot air generating source, and the hot air generating source is provided with a positive temperature sensitive resistor. A magnetic disk storage device characterized in that the heat generated under pressure from the positive characteristic heat-sensitive resistor is blown by a blower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18320481A JPS5885977A (en) | 1981-11-16 | 1981-11-16 | Magnetic disk storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18320481A JPS5885977A (en) | 1981-11-16 | 1981-11-16 | Magnetic disk storage device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5885977A true JPS5885977A (en) | 1983-05-23 |
Family
ID=16131590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18320481A Pending JPS5885977A (en) | 1981-11-16 | 1981-11-16 | Magnetic disk storage device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5885977A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390059A (en) * | 1989-06-01 | 1995-02-14 | Hitachi, Ltd. | Flying head slider supporting mechanism having active air pressure control |
US5436776A (en) * | 1990-04-24 | 1995-07-25 | Fujitsu Limited | Disk system having a slider which is continuously heated for preventing organic material buildup |
-
1981
- 1981-11-16 JP JP18320481A patent/JPS5885977A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390059A (en) * | 1989-06-01 | 1995-02-14 | Hitachi, Ltd. | Flying head slider supporting mechanism having active air pressure control |
US5436776A (en) * | 1990-04-24 | 1995-07-25 | Fujitsu Limited | Disk system having a slider which is continuously heated for preventing organic material buildup |
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